Here is the full list of all 45 RUNNING WITH RIFLES achievements.
100.000 bullets shot
Destroy 10 special crates and deliver 8 secret cargo vehicles
Destroy 5 special crates and deliver 4 secret cargo vehicles
Destroy 2 special crates and deliver 2 secret cargo vehicles
Destroy 5 prison bus/doors
Died 500 times
Win the Greycollars campaign
Stab 10, kill 50 with a suppressed weapon and spot 15 strategical enemy structures
Destroy 3 prison bus/doors
Roadkill 100 soldiers
Heal 10 wounded soldiers
Heal 5 wounded soldiers
50.000 bullets shot
Unlock 10 enemy weapons
Win the Brownpants campaign
Destroyed the Darkcat tank
Stab 5, kill 20 with a suppressed weapon and spot 7 strategical enemy structures
Destroy first prison bus/door
Destroy 10 enemy structures and 2 communication structures
Stab 2, kill 10 with a suppressed weapon and spot 2 strategical enemy structures
Destroy 5 enemy structures and 1 communication structure
Kill 500 enemies with blast projectiles
Destroy 1 anti-air structure
Destroy 20 enemy vehicles
Destroy 2 enemy structures
Roadkill 20 soldiers
Destroy 10 enemy vehicles
Unlock 5 enemy weapons
Kill 200 enemies with blast projectiles
Win the Greenbelts campaign
Kill 10 elite soldiers
Kill 5 elite soldiers
Heal 1 wounded soldier
Kill 1000 enemy soldiers
Kill 100 enemies with blast projectiles
Died 200 times
Roadkill 5 soldiers
Destroy 5 enemy vehicles
Unlock the first enemy weapon
Died 100 times
Kill 500 enemy soldiers
10.000 bullets shot
Win your first map of the campaign
Kill first elite soldier
Kill 100 enemy soldiers